SHEIKHOLESLAMI, S. M.; KHOEILAR, R.; ASGHARSHARGHI, L. Signed strong Roman domination in graphs. Tamkang Journal of Mathematics, [S. l.], v. 48, n. 2, p. 135-147, 2017. DOI: 10.5556/j.tkjm.48.2017.2240. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/2240. Acesso em: 24 may. 2022.